Question

can someone PLEASE explain what a point symmetric to y=x and y=-x mean?? im so confused?

and also symmetric to x=7, x=c, and y=c??

what do these letters mean??!?!?

Answer 1

ok

Answer 2

if a point symmetric to this line, for example : the point (0,1)

Answer 3

oh so switch the coords?

Answer 4

yup, and you have formula for this

Answer 5

?

Answer 6

and symmetric point is the same rule with y =x
each of the case has formula to find out the symmetric point

Answer 7

whats the formula for this?

Answer 8

y coord becomes negative?

Answer 9

http://www.bbc.co.uk/schools/gcsebitesize/maths/geometry/transformationsrev4.shtml

Answer 10

read it,